package method.method1203;

import java.util.Random;
import java.util.Scanner;

//猜数字
public class demo01 {
    public static void main(String[] args) {
        Random r = new Random();
        Scanner sc = new Scanner(System.in);
        System.out.println("请在1~100之间输入一个数字：");
        int num = r.nextInt(100) + 1;
        int a = sc.nextInt();
        int max = 100;
        int min = 1;
        while (true) {
            if (a == num) {
                System.out.println("猜对了");
                break;
            } else if (a > num && a <= 100) {
                max = a;
                System.out.println(min + "~" + max);
                a = sc.nextInt();
            } else if (a < num && a >= 1) {
                min = a;
                System.out.println(min + "~" + max);
                a = sc.nextInt();
            } else {
                System.out.println("输入数据有误，请重新输入：");
                a = sc.nextInt();
            }
        }
    }
}
